JPS6249845B2 - - Google Patents
Info
- Publication number
- JPS6249845B2 JPS6249845B2 JP56174661A JP17466181A JPS6249845B2 JP S6249845 B2 JPS6249845 B2 JP S6249845B2 JP 56174661 A JP56174661 A JP 56174661A JP 17466181 A JP17466181 A JP 17466181A JP S6249845 B2 JPS6249845 B2 JP S6249845B2
- Authority
- JP
- Japan
- Prior art keywords
- section
- screw
- extruder
- pump
- melting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 17
- 238000012546 transfer Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 8
- 239000011295 pitch Substances 0.000 claims 2
- 238000001125 extrusion Methods 0.000 description 28
- 229920000642 polymer Polymers 0.000 description 11
- 239000012768 molten material Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
- B29C48/37—Gear pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/204,001 US4350657A (en) | 1980-11-04 | 1980-11-04 | Low-energy extruder-pump system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57108490A JPS57108490A (en) | 1982-07-06 |
JPS6249845B2 true JPS6249845B2 (xx) | 1987-10-21 |
Family
ID=22756203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56174661A Granted JPS57108490A (en) | 1980-11-04 | 1981-11-02 | Low energy extruder-pump assembly system |
Country Status (6)
Country | Link |
---|---|
US (1) | US4350657A (xx) |
EP (1) | EP0051543A3 (xx) |
JP (1) | JPS57108490A (xx) |
AU (1) | AU543326B2 (xx) |
CA (1) | CA1161233A (xx) |
ZA (1) | ZA817511B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4425044A (en) * | 1981-10-21 | 1984-01-10 | Union Carbide Corporation | Mixer heads for polyolefin extruders |
JPS5887013A (ja) * | 1981-11-18 | 1983-05-24 | Japan Steel Works Ltd:The | 連続混練造粒装置 |
US4461734A (en) | 1982-09-13 | 1984-07-24 | Union Carbide Corporation | Process for plasticization and pumping of low bulk density plastics |
US4632795A (en) * | 1982-11-26 | 1986-12-30 | Wenger Manufacturing, Inc. | Method and apparatus for extrusion processing of cellulose bearing materials |
US4501498A (en) * | 1983-12-05 | 1985-02-26 | Luwa Corporation | Method and apparatus for extruding thermoplastic material |
JPS61144324A (ja) * | 1984-12-19 | 1986-07-02 | Idemitsu Petrochem Co Ltd | 熱可塑性樹脂の押出方法及びそれに用いる押出装置 |
CA1290528C (en) * | 1985-07-09 | 1991-10-15 | Martin Walsh | Method and apparatus for producing thermoplastic and products produced therefrom |
US4786181A (en) * | 1986-04-02 | 1988-11-22 | Hoechst Celanese Corporation | Extruder screw and method for extruding liquid crystalline polymers |
US4729662A (en) * | 1986-04-02 | 1988-03-08 | Hoechst Celanese Corporation | Method for extruding liquid crystalline polymers |
JPS6359512A (ja) * | 1986-08-29 | 1988-03-15 | Kao Corp | ポリウレタンフイルムの製造法 |
US4867927A (en) * | 1987-02-13 | 1989-09-19 | Idemitsu Petrochemical Co., Ltd. | Process of producing thermplastic resin sheet and the like and molding screw therefor |
DE3917523A1 (de) * | 1989-05-30 | 1990-12-06 | Beck Erich Dipl Ing Fh | Verfahren zur traegheitslosen einstellung und stabilisierung der massetemperatur bei der verarbeitung thermoplastischer kunststoffe |
US5267847A (en) * | 1990-12-24 | 1993-12-07 | Bridgestone Corporation | Compact precision extrusion system |
US5599098A (en) * | 1995-12-14 | 1997-02-04 | The Black Clawson Company | Extruder screw with multiple flighting |
US6712495B2 (en) * | 2001-11-20 | 2004-03-30 | E. I. Du Pont De Nemours And Company | Mixing apparatus |
US7104723B2 (en) * | 2003-07-01 | 2006-09-12 | Holmes Ned W | Screeding apparatus and method |
US10046501B2 (en) * | 2013-03-13 | 2018-08-14 | Chevron Phillips Chemical Company Lp | System and method for polymer extrusion |
FI129682B (en) * | 2016-08-26 | 2022-06-30 | Teknologian Tutkimuskeskus Vtt Oy | Single screw extruder and method |
CN112553781B (zh) * | 2020-11-03 | 2022-07-29 | 广西德福莱医疗器械有限公司 | 熔喷布挤出方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756574A (en) * | 1952-02-15 | 1956-07-31 | Mellor Bromley & Co Ltd | Cam system of knitting machines |
US3131430A (en) * | 1960-10-06 | 1964-05-05 | Bayer Ag | Extrusion worm for the melting of organic thermoplastics |
DE1435353A1 (de) * | 1963-08-03 | 1969-03-13 | Barmag Barmer Maschf | Vorrichtung zum Verspinnen thermoplastischer Kunststoffe |
US3484507A (en) * | 1964-12-28 | 1969-12-16 | Dow Chemical Co | Process of blending thermoplastic polymers with bitumens |
US3444283A (en) * | 1965-11-08 | 1969-05-13 | Mobil Oil Corp | Method for direct injection extrusion of polystyrene foam |
US3486192A (en) * | 1967-03-24 | 1969-12-30 | Union Carbide Corp | Apparatus for extrusion of thermoplastics |
US3524222A (en) * | 1968-05-13 | 1970-08-18 | Egan Machinery Co | Extruder screw devolatilizing and mixing section |
DE2011149A1 (xx) * | 1969-03-18 | 1970-09-24 | ||
US3655850A (en) * | 1969-10-30 | 1972-04-11 | Dart Ind Inc | Method for the continuous production of glass fiber reinforced thermoplastics |
US3737506A (en) * | 1970-04-03 | 1973-06-05 | Viscose Suisse Soc D | Process and apparatus for continuous extrusion of highly-viscous melts |
US3730492A (en) * | 1971-06-17 | 1973-05-01 | Union Carbide Corp | Mixing of thermoplastic materials |
BE790582A (fr) * | 1971-10-26 | 1973-04-26 | Hoechst Ag | Procede d'extrusion de matieres thermoplastiques tres visqueuses au moyen d'une boudineuse a une seule vis |
US3863905A (en) * | 1972-04-10 | 1975-02-04 | Bryce Maxwell | Apparatus and method for processing plastic material |
US3788612A (en) * | 1972-09-15 | 1974-01-29 | Feed Screws Inc | Mixing element for extruder screw |
US3850414A (en) * | 1972-12-26 | 1974-11-26 | H Scharer | Homogenizing extruders |
DE2426714C3 (de) * | 1974-06-01 | 1978-12-14 | Dynamit Nobel Ag, 5210 Toisdorf | Verfahren zum Zuführen der Ausgangsmaterialien in eine Schneckenpresse zum Herstellen einer Folienbahn |
JPS5156874A (en) * | 1974-11-14 | 1976-05-18 | Toray Industries | Konoryoku 2 suteejisukuryuu |
US4006209A (en) * | 1975-02-10 | 1977-02-01 | Egan Machinery Company | Method for additive feeding |
FR2311653A1 (fr) * | 1975-05-21 | 1976-12-17 | Bonnel Pierre | Boudineuse a vis pour l'extrusion autothermique des matieres thermoplastiques |
CH603341A5 (xx) * | 1975-06-30 | 1978-08-15 | Maillefer Sa | |
US4137023A (en) * | 1975-09-03 | 1979-01-30 | Union Carbide Corporation | Low energy recovery compounding and fabricating apparatus for plastic materials |
US4032391A (en) * | 1975-09-03 | 1977-06-28 | Union Carbide Corporation | Low energy recovery compounding and fabricating systems for plastic materials |
US4078113A (en) * | 1975-11-17 | 1978-03-07 | General Fabric Fusing, Inc. | Method of producing certain transparent adhesive laurolactam copolyamide films |
DE2700003A1 (de) * | 1977-01-03 | 1978-07-06 | Reifenhaeuser Kg | Anlage zur herstellung von strangpressprofilen |
US4209476A (en) * | 1977-05-27 | 1980-06-24 | Harrel, Incorporated | Method and apparatus for fabrication of extruded articles |
US4343755A (en) * | 1978-09-06 | 1982-08-10 | Union Carbide Corporation | Process for extruding ethylene polymers |
-
1980
- 1980-11-04 US US06/204,001 patent/US4350657A/en not_active Expired - Lifetime
-
1981
- 1981-10-28 AU AU76914/81A patent/AU543326B2/en not_active Ceased
- 1981-10-29 ZA ZA817511A patent/ZA817511B/xx unknown
- 1981-10-30 EP EP81401751A patent/EP0051543A3/en not_active Withdrawn
- 1981-11-02 JP JP56174661A patent/JPS57108490A/ja active Granted
- 1981-11-04 CA CA000389380A patent/CA1161233A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU543326B2 (en) | 1985-04-18 |
EP0051543A3 (en) | 1983-06-29 |
EP0051543A2 (en) | 1982-05-12 |
AU7691481A (en) | 1982-05-13 |
ZA817511B (en) | 1982-10-27 |
JPS57108490A (en) | 1982-07-06 |
US4350657A (en) | 1982-09-21 |
CA1161233A (en) | 1984-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6249845B2 (xx) | ||
US3445890A (en) | Two-stage extruder | |
US5244373A (en) | Extruder for poorly miscible extrudates | |
US4277182A (en) | Extruder with short cycle multichannel wave screw | |
US3271819A (en) | Extruder | |
US6074084A (en) | Extruder for plastics | |
US4173417A (en) | Extrusion apparatus and method | |
US3941535A (en) | Extrusion device | |
US4461734A (en) | Process for plasticization and pumping of low bulk density plastics | |
US7014353B2 (en) | Plasticating screw and apparatus | |
US3870284A (en) | Extruder screws | |
US4015832A (en) | Extruder screws | |
US4154536A (en) | High efficiency injection molding screw | |
US4171196A (en) | Screw-type plastics extruder | |
JPH02202425A (ja) | 熱可塑性プラスチック溶融体に粉末状又は織維状の添加剤を混合するための単軸又は二軸スクリュー型押出し機 | |
EP2093037B1 (en) | Kneading disc segment and twin-screw extruder | |
JPS6052924B2 (ja) | 押出方法及び2段式単一スクリユー押出装置 | |
AU604091B2 (en) | Process of producing thermoplastic sheet and the like and molding screw therefor | |
US3300810A (en) | Extruder | |
JPS5833092B2 (ja) | オシダシソウチ | |
US6497508B1 (en) | Plasticating process, apparatus and screw with mixing | |
JP2726186B2 (ja) | 脱気用押出機 | |
US3411179A (en) | Extruder screw mixing section | |
US3517095A (en) | Extrusion process | |
US6488399B1 (en) | Apparatus for plasticating thermoplastics |